121111020202201 has 8 divisors (see below), whose sum is σ = 128238632883360. Its totient is φ = 113983789190208.

The previous prime is 121111020202189. The next prime is 121111020202301. The reversal of 121111020202201 is 102202020111121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121111020202201 - 2³⁵ = 121076660463833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121111020202301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94763851 + ... + 96033376.

It is an arithmetic number, because the mean of its divisors is an integer number (16029829110420).

Almost surely, 2^{121111020202201} is an apocalyptic number.

It is an amenable number.

121111020202201 is a deficient number, since it is larger than the sum of its proper divisors (7127612681159).

121111020202201 is a wasteful number, since it uses less digits than its factorization.

121111020202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190834583.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121111020202201 its reverse (102202020111121), we get a palindrome (223313040313322).

The spelling of 121111020202201 in words is "one hundred twenty-one trillion, one hundred eleven billion, twenty million, two hundred two thousand, two hundred one".